Andrew M Ferguson

This inventor holds 84 USPTO granted patents and 7 published patent applications, plus 30 CIPO patents, primarily in Subterranean Well Technology (CPC class E21B43-26). Top assignees: Thru Tubing Solutions, Inc., Cudd Pressure Control, Inc.. Active years: 1978-2026.

USPTO Granted Patents = 84 (Patent Applications = 7)

% Patents Active = 98.8

CIPO Patents = 30 (Patent Applications = 3)

Average Co-Inventor Count = 3.4

ph-index = 17

Forward Citations = 902(Granted Patents)

Forward Citations (Not Self Cited) = 445(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Arlington, VA (US) (1978)
Okahoma City, OK (US) (2019)
Oklahoma City, OK (US) (2002 - 2022)
Moore, OK (US) (2013 - 2024)

Company Filing History:

81 out of 190

Thru Tubing Solutions, Inc.

patents

2 out of 14

Cudd Pressure Control, Inc.

patents

where one patent can have more than one assignee

Years Active: 1978-2026

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Areas of Expertise:

Downhole Plug Deployment

Flow Control

Well Completion

Casing and Cementing

Fluid Pulse Generation

Multi-Zone Treatment

Perforating Systems

Vortex Controlled Devices

Subterranean Wells

Tubular String Advancement

Plugging Devices

Water Well Production

84 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12529274 - Downhole plug deployment (2026-01-20),

2. 12503839 - Increasing production from water wells (2025-12-23),

3. 12492534 - Accessing wells below an obstruction or discontinuity (2025-12-09),

4. 12454874 - Vortex controlled variable flow resistance device and related tools and methods (2025-10-28),

5. 12454870 - Advancement of a bottom hole assembly into a wellbore and workstring connection (2025-10-28),

6. 12421832 - Multi-zone perforate and treat method (2025-09-23),

7. 12326077 - Well completion systems and methods (2025-06-10),

8. 12286854 - Methods and devices for casing and cementing wellbores (2025-04-29),

9. 11965392 - Isolation of well section (2024-04-23),

10. 11851611 - Flow control in subterranean wells (2023-12-26),

11. 11834919 - Downhole plug deployment (2023-12-05),

12. 11753901 - Fluid pulse generation in subterranean wells (2023-09-12),

13. 11566498 - Multi-zone perforate and treat system and method (2023-01-31),

14. 11530588 - Methods and devices for casing and cementing wellbores (2022-12-20),

15. 11427751 - Flow control in subterranean wells (2022-08-30),

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